Table of Contents
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Item
Connecting rod
Small end inside diameter
Big end inside diameter
Big end side clearance
Oil clearance (*1)
Crankshaft
Journal diameter
Crankpin diameter
Runout
Crankpin width
Crankcase
Oil clearance (*1)
(*1) The figures are for reference only.
Item
Piston
Diameter
Measuring point
Piston clearance
Ring groove (top)
Ring groove (2nd)
Ring groove (oil)
Pin boss inside diameter
Pin outside diameter
Cylinder
Bore
Piston ring
Top ring
Type
Dimension height (B)
Dimension width (T)
End gap (*1)
Side clearance
2nd ring
Type
Dimension height (B)
Dimension width (T)
End gap (*1)
Side clearance
Oil ring
Dimension height (B)
Dimension width (T)
End gap (*1)
Side clearance
Unit
F225FET
mm (in)
22.010–22.024 (0.8665–0.8671)
mm (in)
55.990–56.010 (2.2043–2.2051)
mm (in)
0.140–0.310 (0.0055–0.0122)
mm (in)
0.025–0.050 (0.0010–0.0020)
mm (in)
72.976–72.996 (2.8731–2.8739)
mm (in)
52.980–53.000 (2.0858–2.0866)
mm (in)
mm (in)
21.000–21.100 (0.8268–0.8307)
mm (in)
0.029–0.045 (0.0011–0.0018)
Unit
F300BET
mm (in)
95.945–95.960 (3.7774–3.7779)
mm (in)
mm (in)
0.040–0.067 (0.0016–0.0026)
mm (in)
1.230–1.250 (0.0484–0.0492)
mm (in)
1.220–1.240 (0.0480–0.0488)
mm (in)
2.510–2.530 (0.0988–0.0996)
mm (in)
22.011–22.018 (0.8666–0.8668)
mm (in)
21.996–22.005 (0.8660–0.8663)
mm (in)
96.000–96.012 (3.7795–3.7800)
mm (in)
mm (in)
2.800–3.000 (0.1102–0.1181)
mm (in)
0.200–0.300 (0.0079–0.0118)
mm (in)
0.030–0.050 (0.0012–0.0020)
mm (in)
1.170–1.190 (0.0461–0.0469)
mm (in)
3.800–4.000 (0.1496–0.1575)
mm (in)
0.600–0.750 (0.0236–0.0295)
mm (in)
0.030–0.070 (0.0012–0.0028)
mm (in)
2.400–2.470 (0.0945–0.0972)
mm (in)
2.350–2.750 (0.0925–0.1083)
mm (in)
0.150–0.600 (0.0059–0.0236)
mm (in)
0.040–0.130 (0.0016–0.0051)
Power unit technical data
Model
FL225FET
F250DET
0.030 (0.0012)
Model
FL300BET
13.500 (0.5315)
Barrel
1.200 (0.0472)
Taper
FL250DET
0
1
2
3
4
5
6
7
8
9
10
A
1-22
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Troubleshooting
